Home / 6,930.90-10,399.46-3,234.20

Finding the Fourth Proportional to 6,930.90, 10,399.46 and 3,234.20

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Solution

The fourth proportional to 6,930.90, 10,399.46 and 3,234.20 is: 4,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.90 : 10,399.46 = 3,234.20 : x
  2. Step 2: Convert to fraction form
    6,930.90/10,399.46 = 3,234.20/x
  3. Step 3: Cross multiply
    6,930.90x = 10,399.46 × 3,234.20
  4. Step 4: Simplify right side
    6,930.90x = 33,633,865.36
  5. Step 5: Solve for x
    x = 33,633,865.36/6,930.90
  6. Step 6: Final answer
    x = 4,852.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.